Stihl USG Manuel utilisateur


1USG
English
BA_SE_025_002_01_06.fmPrinted on chlorine-free paper.
Printing inks contain vegetable oils; paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2004
0458 523 0121. M0,5. C4. T. Printed in Germany
STIHl
Contents
Guide to Using this Manual .............. 2
Safety Precautions ........................... 3
Applications ...................................... 4
Mounting the Tool ............................. 4
Selecting the Grinding Wheel ........... 6
Mounting the Grinding Wheel ........... 7
Test Run ........................................... 8
Dressing the Grinding Wheel ............ 8
Scales ............................................... 8
Setup for Sharpening Saw Chain ..... 9
Sharpening Procedure ................... 15
Lowering Depth Gauges ................. 17
Setup for Sharpening
Hedge Trimmer Blades ................... 19
Sharpening
Hedge Trimmer Blades ................... 24
Preparations for Sharpening
Circular Saw Blade ......................... 27
Sharpening Circular Saw Blade ...... 31
Maintenance Chart ......................... 32
Minimize Wear and
Avoid Damage ................................ 33
Main Parts of Sharpener ................. 34
Specifications ................................. 35
Special Accessories ....................... 35
Maintenance and Repairs ............... 35
Certificate of Conformity ................. 36
Quality Certification ........................ 36
Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
This machine has been built using
modern production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction and troublefree use
of the machine.
Please contact your dealer or our
sales company if you have any
queries concerning your machine.
Hans Peter Stihl

2
English
USG
Pictograms
All the pictograms attached to the
machine are shown and explained in
this manual.
The operating and handling instructions
are supported by illustrations.
Symbols in text
The individual steps or procedures
described in the manual may be marked
in different ways:
:Step or procedure without direct
reference to an illustration.
Description of step or procedure that
refers directly to the illustration and
contains item numbers that appear in
the illustration.
Example:
Loosen the screw (1)
Lever (2) ...
In addition to the operating instructions,
this manual may contain paragraphs
that require your special attention. Such
paragraphs are marked with the
symbols described below:
Warning where there is a risk of an
accident or personal injury or
serious damage to property.
Caution where there is a risk of
damaging the machine or individual
components.
Note or hint which is not essential
for using the machine, but may
improve the operator’s under-
standing of the situation and result
in better use of the machine.
Note or hint on correct procedure in
order to avoid damage to the
environment.
Equipment and features
This instruction manual refers to
several models with different
features. Components that are not
installed in all models and related
applications are marked with an
asterisk (*). Such components may
be available as special accessories
from your STIHL dealer.
Engineering improvements
STIHL’s philosophy is to continually
improve all of its products. As a result,
engineering changes and improvements
are made from time to time. If the
operating characteristics or the
appearance of your machine differ from
those described in this manual, please
contact your STIHL dealer for
assistance.
Therefore, we cannot be responsible for
changes, modifications or
improvements not covered in this
manual.
Guide to Using this Manual

3USG
English
Additional safety
precautions have to be
observed when operating
the universal sharpener.
It is important that you
read and understand the
owner’s manual before
using your tool for the first
time. Keep it in a safe
place for later reference.
Non-observance of the following safety
precautions may cause serious or even
fatal injury.
Always observe local safety regulations,
standards and ordinances.
If you have never used this sharpener
model before:
Have your dealer or a trained expert
show you how to operate it properly and
safely.
Minors should never be allowed to use
an electric sharpener.
Keep children, bystanders and animals
well clear of the work area.
Only use the grinding wheels supplied
by STIHL or expressly approved by
STIHL for use with your specific model.
Do not use any other grinding wheels
since they will increase the risk of injury.
Switch on the motor only if its operating
voltage agrees with the voltage of your
power supply.
Clothing and Equipment
Wear proper protective clothing and
equipment.
The grinding dust produced when using
this sharpener may cause health
problems. Always use a dust extractor
or wear a suitable respirator.
The sparks created during sharpening
may cause eye injuries.
Always wear safety
glasses.
Clothing must be sturdy and snug-fitting,
but allow complete freedom of
movement.
Wear overalls – avoid loose-fitting
jackets.
Wear steel-toed safety
boots with non-slip soles.
Wear heavy-duty, non-
slip gloves, preferably
made of leather.
Before Starting Work
Check that your sharpener is properly
assembled and in good condition. Do
not operate your sharpener with a
damaged connecting cord or grinding
wheel.
Maintenance and Repairs
Always disconnect the unit from the
power supply before carrying out any
maintenance work. Only perform the
adjustments and maintenance
operations described in this manual.
All other maintenance and repairs
should be carried out by your STIHL
dealer.
Only use original STIHL replacement
parts.
In the interests of your own safety, never
modify your electric sharpener in any
way.
Safety Precautions

4
English
USG
The STIHL USG sharpens all STIHL
Oilomatic saw chains, hedge trimmer
blades and circular saw blades.
Optional swivelling tool rests are
required for sharpening scratcher tooth
chain, hedge trimmer blades and
circular saw blades.
The unit may be mounted on a wall or
workbench.
If you mount the unit on a bench, note
that the unit must overhang the bench by
at least 120 mm.
If you use the special attachment for
hedge trimmer blades:
If you mount the unit on a wall, note that
a clearance of at least 450 mm is
required between the wall and the unit
for sharpening hedge trimmer blades.
Recommendation: Mount the unit on a
bench for such work.
Secure the unit with screws
A = For wall mounting, use three
suitable 8 mm dia. screws (e.g.
8 mm x 100 mm wood screws,
DIN 571-St), 8.4 mm dia. washers
and suitable wall plugs (e.g.
10x50 mm plastic wall plugs)
B = For bench mounting, use two
suitable 8 mm dia. screws (e.g.
8 mm x 100 mm wood screws,
DIN 571-St), 8.4 mm dia. washers
Applications Mounting the Tool
523BA045 KN
A
B

5USG
English
:Loosen the M5x10 screws (1)
and then lift and remove the guard
plate (2).
:Fit motor (3) on motor arm (4). The
switchbox (5) must face up.
:Insert the four M5x22 pan head
screws (6) and tighten them down
firmly in a diagonal pattern.
:Screw the short thread of M10x145
stud (7) into the housing bore (8).
:Screw the M10 nut (9) onto the stud
as far as stop.
:Place the M10 nut (10) in the
hexagon recess in the handle (11)
and screw the handle firmly into
position.
523BA046 KN
1
2
1
523BA047 KN
4
3
5
6
523BA048 KN
78
9
10
523BA049 KN
11

6
English
USG
:Place the eye shield (12) against the
guard and line up the holes.
:Insert the M4x12 screws (13) in the
holes and fit the nuts (14).
:Tighten down the screws firmly.
:Refit the guard plate.
Work Light (Special Accessory)
:Use a punch to pierce the casting
skin.
:Clean up the edges with a round file.
:Position lamp socket in opening
from outside and secure it with the
screw ring.
A = Grinding wheel 5203 750 7010
(2.4 mm radius at one side)
B = Grinding wheel 5203 750 7013
(2.0 mm radius at one side)
C = Grinding wheel 5203 750 7015
D = Diamond grinding wheel
5203 757 0901
13
523BA050 KN
12
14
523BA051 KN
Grinding
wheel
Application
A.Circular saw blades
.Hedge trimmer blades
.Oilomatic chain,
pitch: 3/8“, 0.404“, 0.325“
B.Oilomatic chain,
pitch:
1/4“, 3/8“ P, 3/8“ PMN
C.Oilomatic chain,
depth gauges
D Carbide:
.Oilomatic chain
Rapid Duro
Rapid Duro S
.Carbide tipped circular
saw blade
Selecting the
Grinding Wheel
A/B C D
523BA091 KN

7USG
English
Always check condition of grinding
wheels by performing ringing test
before mounting. Never use
damaged grinding wheels.
:Loosen the M5x10 screws (1), then
lift and remove the guard plate (2).
:Fit the O-ring (3) in the groove in the
spacer (4) and then push the spacer
onto the motor shaft (5) (spacer
flange must face away from motor).
:Fit the required grinding wheel (6).
:Fit the thrust washer (7) on the shaft
with its raised side facing away from
motor.
Mounting the
Grinding Wheel
523BA046 KN
1
2
1
5
4
3
6
7
523BA092 KN
Grinding
wheel
Installed position
A/B Radius facing motor
(pointing to the right)
CLarge outside diameter
facing motor (pointing to the
right)
DEither way round
523BA093 KN
A/B CD

8
English
USG
Every time you mount a grinding wheel:
:Cordon off the general work area
(danger zone).
:Run grinding wheel at maximum
permissible speed for at least one
minute.
The profile of the grinding wheel is
subject to wear.
Switch off the motor.
:Use dressing gauge (special
accessory) to check the profile of
the grinding wheel.
:Set scale C on swivelling tool
rest to "0".
:Use dressing stone (special
accessory) to correct the profile of
the grinding wheel.
Scale A
:Loosen the nut (1), adjust angle,
tighten down the nut firmly.
Scale B
:Loosen the wingnut (2) on the
underside of the base, adjust to
required value, tighten down the
wingnut firmly.
Scale C
:Loosen the wingnut (3), adjust
angle, tighten down the wingnut
firmly.
Test Run Dressing the
Grinding Wheel
523BA030 KN
Scales
-
+
-
A
B
C
1
23
+
523BA138 KN
-
+

9USG
English
Scale C (attachment for
circular saw blades)
:Loosen the wingnut (4), adjust
angle, tighten down the wingnut
firmly.
Inspect the chain.
Replace damaged or worn parts of
the chain. Grind the new parts back
to the shape and size of the other
parts.
:Select the grinding wheel – see
instruction sheet 0457 716 0000.
:Mount the grinding wheel – see
"Mounting the Grinding Wheel".
:Test run the grinding wheel – see
"Test Run".
:Check profile of grinding wheel and
dress if necessary – see "Dressing
the Grinding Wheel".
Mounting Attachment for Saw
Chain
:Engage pin (1) in hole (2) in base.
:Insert bolt (3) in slot (4).
:Fit the washer (5) and wingnut (6)
and tighten down moderately.
A
B
1
2
C
4
523BA094 KN
+
-
-
+
-
+
Setup for Sharpening
Saw Chain
4
523BA054 KN
1
2
3
5
6
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